centroids

Using the non-supervising cluster algorithm, multiple stars in the star image are fast detected. Moreover, the star centroids are labeled by means of a centroid-threshold algorithm and a weighted squared centroid-threshold algorithm.

利用无监督聚类算法，实现对星图中多颗目标星的检测，并给出带阈值的质心算法和带阈值的加权平方的质心算法。

The centroids of localized orbitals ( LMO _ s ) are used to determine the symmetry of LMO _ s.

提出了利用定域分子轨道重心确定分子轨道的对称性.

The results illustrate that the best centroids initialization in K means clustering is to select vectors characterized the structure of the dataset.

结果表明：若对基因表达数据进行K-均值聚类分析，最好采用能反映数据结构特征的向量对质心进行初始化。

The Thermal Pulse Technique for Determining Charge Centroids in Thin Polymer Electrets

用热脉冲法测定高聚物薄膜驻极体的电荷重心